No. Performance improvements have continued after v0.26. Version 0.30 introduced Vulkan API support, which can improve frame rates on older GPUs. The current version (0.33) runs better on low-end hardware than 0.26 did.
To download and install BeamNG Drive 0.26 for free, follow these steps: beamng drive 026 free download install
By following these steps, you should be able to download and install BeamNG Drive 0.26 for free. Enjoy playing! BeamNG Drive 0